CN105307878A - Longitudinal control arm - Google Patents
Longitudinal control arm Download PDFInfo
- Publication number
- CN105307878A CN105307878A CN201480035027.2A CN201480035027A CN105307878A CN 105307878 A CN105307878 A CN 105307878A CN 201480035027 A CN201480035027 A CN 201480035027A CN 105307878 A CN105307878 A CN 105307878A
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- CN
- China
- Prior art keywords
- control arm
- central siphon
- longitudinal control
- placement portion
- support portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/008—Attaching arms to unsprung part of vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/003—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle being rigidly connected to a trailing guiding device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/30—Rigid axle suspensions
- B60G2200/31—Rigid axle suspensions with two trailing arms rigidly connected to the axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/143—Mounting of suspension arms on the vehicle body or chassis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/14—Mounting of suspension arms
- B60G2204/148—Mounting of suspension arms on the unsprung part of the vehicle, e.g. wheel knuckle or rigid axle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/012—Hollow or tubular elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/10—Constructional features of arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/80—Manufacturing procedures
- B60G2206/82—Joining
- B60G2206/8201—Joining by welding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G9/00—Resilient suspensions of a rigid axle or axle housing for two or more wheels
- B60G9/02—Resilient suspensions of a rigid axle or axle housing for two or more wheels the axle or housing being pivotally mounted on the vehicle, e.g. the pivotal axis being parallel to the longitudinal axis of the vehicle
Abstract
The invention relates to a longitudinal control arm (20) for connection of an axle tube (10) to a vehicle frame, said longitudinal control arm extending along a longitudinal direction (L) and comprising an arrangement section (22) on the frame side and at least one arrangement section (24) on the axle tube side, a center line (M24) of the arrangement section (24) on the axle tube side being offset by an offset (x) from a center line (M22) of the arrangement section (22) on the frame side when seen at an angle to the longitudinal direction (L).
Description
Technical field
The present invention relates to the longitudinal control arm for central siphon being connected to vehicle frame, also relating to Axle, especially for the Axle of all-service vehicle.
Background technology
Such longitudinal control arm of discussing is known in the prior art.In the rigid shaft system that they are used in such as all-service vehicle or steering shaft system.They play effect central siphon being connected to vehicle or vehicle frame, and guarantee that described central siphon is laterally directed.In addition, their form a part for spring in chassis and damping system, and just because of this, and they show the various possibilities of the connection for spring and damping element.But the shortcoming of known longitudinal control arm is: they are fabricated very large and heavy, because need to transmit very large power.This limits extraly at under-vehicle or the limited space conditions below vehicle frame.Therefore, the optimization between described longitudinal control arm with described central siphon or between described longitudinal control arm with described vehicle frame is connected normally impossible.In addition, since it is known longitudinal control arm be fabricated too wide, so in most of the cases, the use for wide base tire (wide-basetire), large-scale drum brake mechanism or large-scale plate disc brake all also exists restriction.When described longitudinal control arm is used in steering shaft system, the deflection angle that can realize is less than desired deflection angle in many cases all inevitably.
Summary of the invention
In view of the above problems, basic object of the present invention is to provide a kind of longitudinal control arm for central siphon being connected to vehicle frame, and a kind of Axle is also provided, they can not present above-mentioned shortcoming, and they allow to realize longitudinal control arm arranging more flexibly on both vehicle frame and central siphon.
This object is implemented by the longitudinal control arm and Axle according to claim 10 for central siphon being connected to vehicle frame according to claim 1.Further advantage of the present invention and feature can be more clearly understood according to dependent claims and accompanying drawing.
According to the present invention, longitudinal control arm is arranged for and is connected on vehicle frame by central siphon, and described longitudinal control arm extends in a longitudinal direction and comprises frame side placement portion and at least one placement portion, central siphon side.When with described longitudinal direction at an angle or when observing transverse to (transverseto) described longitudinal direction, the line of centers of placement portion, described central siphon side is from the disalignment of described frame side placement portion or be displaced a side-play amount.Certainly, described longitudinal control arm also can be used on superimposed trailer, trailer etc.Controlled and not controlled axle or the rigid shaft of all-service vehicle (as superimposed trailer, trailer etc.) generally include central siphon, and this central siphon has spindle nose (axlestub) at either end place.Correspondingly, at described spindle nose place, such as brake system and wheel etc. can be furnished with.Such axle is connected to vehicle frame or chassis pivotly by means of two longitudinal control arms (being sometimes also referred to as trailing arm (trailingarm)) usually.The orientation of described longitudinal control arm is substantially along direct of travel.Therefore, described longitudinal direction corresponds to described direct of travel substantially.Described central siphon with substantially transverse to or mode perpendicular to described longitudinal control arm or described direct of travel be arranged on described longitudinal control arm or in described longitudinal control arm.Described central siphon and described longitudinal control arm can directly be interconnected, and such as, are welded to each other.Or preferably, between described longitudinal control arm and described central siphon, be also furnished with sheath, described sheath can reduce the heat be particularly imported in weld period in described central siphon.In order to be arranged on framework or vehicle, described longitudinal control arm has described frame side placement portion; And in order to be arranged on described central siphon or in order to the layout of described central siphon, described longitudinal control arm has placement portion, described central siphon side.Such as, above-mentioned sheath can be arranged on placement portion, described central siphon side or in placement portion, described central siphon side.Described frame side placement portion and placement portion, described central siphon side are positioned at position at a distance from each other, and wherein, described distance represents the interval between the fulcrum of these two placement portions or center substantially.Depend on the installation site of described longitudinal control arm, described distance roughly extends along the direction being approximately parallel to horizontal surface (that is, road surface).But described distance also can extend along a certain angle.This is equally applicable to roughly along the described longitudinal direction that described distance extends.Described frame side placement portion and placement portion, described central siphon side have the width transverse to described longitudinal direction separately.Preferably, described frame side placement portion by the circle extended transverse to described longitudinal direction substantially, the opening that is roughly circle formed.Preferably, the cross-sectional plane of described opening is not very orbicular, but such as oval, polygonal and/or have angle.Therefore, in described frame side placement portion, preferred to use the rubber plinth etc. usually at approximate mid-section place with the circular hole that axletree or analogue can be allowed to pass.Advantageously, the outline of described rubber plinth is not very orbicular or circle, to prevent the rotation in described frame side placement portion.Therefore, advantageously, described frame side placement portion can also be such as oval or polygonal.Described frame side placement portion or its Internal periphery have the width transverse to described longitudinal direction, and this width is preferably less constant constant.The line of centers of described frame side placement portion roughly medially or axisymmetrically passes described profile.Following parts are equally applicable to placement portion, described central siphon side: these parts preferably also show as the opening extended transverse to the mode of described longitudinal direction substantially with width.Preferably, this opening is circular substantially, or especially or circle.Or described opening also can be oval, polygonal and/or have angle.The line of centers of placement portion, described central siphon side roughly medially or axisymmetrically splits described width.The line of centers of described frame side placement portion and placement portion, described central siphon side is all substantially parallel to described longitudinal direction and extends, and they are displaced described side-play amount.Expediently, described side-play amount in the scope of 10mm to 200mm, preferably in the scope of 30mm to 150mm, and most preferably in the scope of about 40mm to 100mm.Expediently, described side-play amount is in the scope of about 0.01 to 0.4 with the relation between the described distance between described placement portion, central siphon side and described frame side placement portion, preferably be in the scope of about 0.04 to 0.3, and be most preferably in the scope of about 0.05 to 0.2.Therefore, preferably, along the described frame side placement portion of described longitudinal direction or direct of travel and placement portion, described central siphon side not on one wire or not alignment.Advantageously, due to described side-play amount, so described longitudinal control arm can avoid other objects.Expediently, described side-play amount can be implemented by the different in width of described placement portion, central siphon side and described frame side placement portion.In this case, the described longitudinal control arm along described longitudinal direction can have identical width substantially, wherein only has these two placement portions or only has the line of centers of these two placement portions to be relative to each other displacement or skew.Or preferably, described frame side placement portion and placement portion, described central siphon side have identical width equally, and wherein in this case, the shape along described longitudinal direction of described longitudinal control arm determines described side-play amount.Such as, (being in installing condition when observing on road surface) the described longitudinal control arm in plan view from above is S-shaped approx.Advantageously, such S shape can certainly combine with two placement portions with different in width.Therefore, advantageously, this is adapted to the space condition of under-vehicle with making it possible to high degree of flexibility.Except space utilization, described longitudinal control arm also makes it possible to optimized force stream (forceflow).Also preferably, described longitudinal control arm allows the different support width on vehicle and on central siphon.Here, term " support width " defines the distance transverse to described longitudinal direction between two corresponding placement portions (in described frame side and/or in described central siphon side) of two adjacent longitudinal control arms.Therefore, advantageously, due to described side-play amount, different support width can be implemented.Therefore, advantageously, the distance between two frame side placement portions is different from the distance between placement portion, two central siphon sides.Advantageously, the support width on described vehicle is greater than the support width on described central siphon, or preferably, also passable conversely.Wider support on described vehicle makes it possible to very stably support total.Therefore, if the line of centers of placement portion, described central siphon side is displaced the described side-play amount occurred from the line of centers of described frame side placement portion relative to chassis or vehicle centre-line, so this will be very favorable.This makes it possible on described vehicle, provide the maximum possible to described longitudinal control arm to support, and has also won structure space for such as wide base tire simultaneously.When being used in steering shaft example, except may the using of the wider support on described vehicle and wide base tire, in addition, much bigger deflection angle or wheel steering angle are also possible.Therefore, the extra structure space won in outside is not only of value to comparatively wide base tire, but also can be used to make more easily adapt to larger or wider drum brake mechanism or longer plate disc brake or make more easily to install them.Certainly, two described longitudinal control arms can also be arranged like this: they have side-play amount, to make the support width on described vehicle identical with the support width on described central siphon.
Preferably, described longitudinal control arm is formed hollow profile (hollowprofile) at least in part, and wherein, described hollow profile preferably has at least in part along the cross-sectional plane that the direction of described frame side placement portion increases.Preferably, described hollow profile is by the box-shaped portion of individual component weld together.But particularly preferably, described hollow profile is manufactured by internal high pressure forming process.Advantageously, the cross-sectional plane of described hollow profile increases along the direction of described frame side placement portion at least in part.Therefore, preferably, the design of the very rigidity of described frame side placement portion can be realized.Described longitudinal control arm is advantageously formed to make it to have not containing undercut (undercut), do not form hole and containing the antifouling design of depression etc., this makes it possible to prevent the destructiveness of the various forms of pollutantss such as stone, dust and salt solution from accumulating.Less transition of longitudinal control arm and the further advantage of closed shape is low resistance, Streamline Design, which eliminate the extremely strong air whirl in under-vehicle.Preferably, by means of described internal high pressure forming process, wall thickness can be adapted to the anticipated load on described longitudinal control arm neatly.And preferably, described longitudinal control arm can also be designed to reticulation.And, by using grating texture, the optimization orientation based on applied force can be realized.Very advantageously, the described side-play amount between the line of centers of described frame side placement portion and the line of centers of placement portion, described central siphon side is followed to combine such grating texture.Therefore, when combining, the very light, rigidity of described longitudinal control arm can be realized and the design of high flexible.In addition, described side-play amount and the described combination of manufactured longitudinal control arm is particularly preferred by internal high pressure forming process.
Advantageously, described longitudinal control arm has the sweep transverse to horizontal surface, and wherein, described sweep preferably extends between described placement portion, central siphon side and described frame side placement portion.Expediently, the plane that described horizontal surface coexists corresponding to the S. A. of described frame side placement portion and the center shaft of placement portion, described central siphon side, and especially, correspond to the plane on described road surface substantially.Advantageously, described sweep extends to whole described longitudinal control arm or its whole cross-sectional plane, that is, such as not only extend to the upper limb of described longitudinal control arm.Very advantageously, so to say that described sweep defines clearance envelope thereunder or the clearance envelope between described frame side placement portion and placement portion, described central siphon side.Therefore, (namely described sweep plays non-straight ground connection, follow straight line as the crow flies) connect described frame side placement portion with described placement portion, central siphon side and can be described as the effect being connected them in the mode of arc, wherein, described arc or described sweep extend between described placement portion, central siphon side and described frame side placement portion.Preferably, described arc or described sweep are to extend away from the mode of described horizontal surface.Therefore, on the one hand, can realize the very high ground Clearance, on the other hand, be other building components additional space in under-vehicle.But, also can preferably, mentioned advantage and feature are implemented when described arc or described sweep extend to described horizontal surface as the crow flies.In some cases, although the ground Clearance be therefore reduced, because described longitudinal control arm is minimum towards the space requirement at top, so spring deflection can increase widely.Therefore, the actual design of described sweep advantageously will depend on desired use or the place to use of corresponding vehicle.Certainly, described arc not necessarily extends continuously between described placement portion, central siphon side and described frame side placement portion.Such as, in order to be created in the extra structure space between described frame side placement portion and placement portion, described central siphon side, the part be between these two placement portions of described longitudinal control arm is only had to be fine towards top or towards bottom deflection transverse to described horizontal surface substantially.
Advantageously, described sweep or described arc have leave from the fulcrum of described frame side placement portion, substantially transverse to the maximum extension scope of described horizontal surface, this extending range is preferably in the scope of about 50mm to 200mm.Described extending range is perpendicular to described distance between the fulcrum of described frame side placement portion or the fulcrum of center and placement portion, described central siphon side or center and is recorded.Preferably, the proportionate relationship of the described distance between described extending range and this two placement portions in the scope of about 0.1 to 0.5, particularly preferably in the scope of about 0.2 to 0.3.
Further preferably, described longitudinal control arm has upper support portion and lower support portion, and wherein, described upper support portion and described lower support portion (especially, their point cleaved surface or mating surfaces) forms the burbling area angled with described horizontal surface.Advantageously, described burbling area extends through described placement portion, central siphon side.Particularly preferably, described burbling area also extends through the fulcrum of placement portion, described central siphon side or center.Therefore, preferably, described burbling area is crossing with placement portion, described central siphon side.In other words, described longitudinal control arm is therefore divided in the region of placement portion, described central siphon side.Advantageously, the angle between described burbling area and described horizontal surface is about 180 ° in a preferred embodiment.Therefore, preferably, described burbling area is substantially parallel to described horizontal surface or described road surface.This is for the described power stream from described longitudinal control arm to described central siphon and in this case all particularly preferred for the connection with described central siphon.Described upper support portion and described lower support portion not necessarily must be connected to each other.Described upper support portion and described lower support portion such as can be connected to described central siphon in a form-fitting and/or force-fitting manner under the prerequisite do not contacted with each other.But advantageously, described upper support portion and described lower support portion are connected to each other by least one mating surfaces.Preferably, described mating surfaces is positioned at described burbling area, or forms a part for described burbling area.
Expediently, described upper support portion and/or described lower support portion have placement portion, described central siphon side separately, and one of them (or two) placement portion, central siphon side has the wrapping angle being less than 180 °.Therefore, advantageously, the placement portion, described central siphon side of described longitudinal control arm is formed by the placement portion, central siphon side of described upper support portion and the placement portion, central siphon side in described lower support portion.The all advantages about each placement portion mentioned and feature are all applicable.Be divided into described upper support portion and be divided into the use of the segmentation in described lower support portion or placement portion, at least two described central siphon sides advantageously to make it possible to the placement portion, described central siphon side in such as described upper support portion is designed to wider than the placement portion, described central siphon side in described lower support portion, or also passable conversely.Therefore, expediently, described power stream can be optimised.The advantage that wrapping angle <180 ° one is large is: described central siphon need not be moved in described longitudinal control arm, but described longitudinal control arm or described upper support portion or described lower support portion can be placed on described central siphon.Certainly, not that the longitudinal control arm formed from upper support portion and lower support portion also can have the wrapping angle being less than 180 °.But, advantageously, by using the upper support portion separately with the wrapping angle being less than 180 °, the total wrapping angle being greater than 180 ° can be obtained again.
Expediently, described upper support portion and/or described lower support portion are connected to keysets in a form-fitting and/or force-fitting manner, wherein, described keysets is connected to the load-bearing surface being suitable for arranging spring/damping element in a form-fitting and/or force-fitting manner.Therefore in this variant, described longitudinal control arm is designed to three altogether, and wherein, these three parts are connected to each other by described keysets.Certainly, described longitudinal control arm also can be formed single-piece, and wherein in this case, described load-bearing surface is a part for described longitudinal control arm.And advantageously, described load-bearing surface can also be the part in described lower support portion or a part for described upper support portion.Preferably, described upper support portion, described lower support portion and/or described load-bearing surface are by downhand welding (butt-weld) extremely described keysets.But, preferably, described keysets also can have the opening allowing described lower support portion, described upper support portion and/or described load-bearing surface by (this makes it possible to by boxing (circumferentialwelding) (outlines along these mentioned parts) to described keysets).Very advantageously, these mentioned parts can also be screw-coupled to described keysets.And described upper support portion and described lower support portion can be spirally connected each other.And preferably, described keysets makes it possible to different combinations of materials.Such as, described longitudinal control arm or described upper support portion and/or described lower support portion can be made up of iron and steel or aluminum, and can be arranged in a form-fitting and/or force-fitting manner on described keysets by suitable threaded connection by the load-bearing surface synthesized or composite material is made.
Expediently, on placement portion, described central siphon side, in order to the connection with described central siphon and/or described sheath, described longitudinal control arm has substantially along at least one projection that described central siphon extends.Advantageously, described projection has the wrapping angle the same with described longitudinal control arm or described upper support portion or described lower support portion.Certainly, a more than projection can be circumferentially furnished with around described central siphon.In addition, at the either side of described longitudinal control arm or this layout can be had at the either side of placement portion, described central siphon side.Be substantially parallel in the preferred embodiment of described horizontal surface at burbling area, projection be preferably all arranged on the either side of described Control arm described on support portion.Described projection can be soldered to described longitudinal control arm or be welded to described upper support portion and/or described lower support portion.But advantageously, mentioned those parts above-mentioned itself also can form described projection.In this case, described projection does not need to be connected extraly.Advantageously, described projection has towards described central siphon or the contact area towards described sheath.Advantageously, described contact area forms linear contact lay substantially, instead of face contact.This is equally applicable to the described layout towards described longitudinal control arm.Here, advantageously, also linear contact lay is provided with.Expediently, described projection is with neither be in the state with this component contact by the mode that its whole width neither be connected with its whole height or arrange.Due to very favorable to the power transmission in described central siphon, so the described longitudinal control arm with described projection advantageously can be connected to described central siphon under the prerequisite not having described sheath.Certainly, described longitudinal control arm also has at least one projection be positioned on described frame side placement portion.All advantages and feature are equally applicable to this.
Expediently, at least one projection described is connected described longitudinal control arm in the mode of arc with described central siphon and/or described sheath.Here, advantageously, described arc extends to described central siphon transverse to described longitudinal direction from described longitudinal control arm substantially.Described arc can be concave surface or convex surface.Advantageously, can be designed so that: the power stream between described central siphon and described longitudinal control arm can be optimised.In other words, so to say that described arc represents the connection between above-mentioned two linear contact lay.Described arc allows the connection of the very rigidity of described central siphon.In addition, due to described projection, so the width of placement portion, described central siphon side can be increased.Load peaks on described central siphon reduces.In addition, because described in protrude through described linear contact lay and provide extra " power path ", so the described power stream between described longitudinal control arm and described central siphon has been reduced.Should be noted that, following situation is also fine: the described connection between described longitudinal control arm with described central siphon also just can become possibility by described projection uniquely, that is, the placement portion, central siphon side of the script in described longitudinal control arm or reality no longer has and contacts with the direct of described central siphon.Advantageously, described longitudinal control arm and described central siphon are welded together along described projection at least in part.Certainly, described projection can also be soldered to described sheath.
Expediently, be furnished with projection at the either side place of placement portion, described central siphon side, wherein, these two projections preferably have different width.Described width to be recorded along described central siphon transverse to described longitudinal direction substantially.Advantageously, by using the projection of different in width, the line of centers of described frame side placement portion can change further from the described side-play amount of the line of centers of placement portion, described central siphon side.Advantageously, this allows designing even more flexibly of described longitudinal control arm.Advantageously, described projection have relative to described longitudinal direction and relative to the described width of described projection (maximum) in a lateral direction highly.Expediently, the height/width proportionate relationship of described projection in the scope of about 0.2 to 1.8, preferably, in the scope of about 0.7 to 1.8, and most preferably, in the scope of about 0.8 to 1.2.
According to the present invention, provide a kind of Axle, especially for the Axle of all-service vehicle, it has the longitudinal control arm for making central siphon be connected to vehicle frame, and wherein, described longitudinal control arm extends in a longitudinal direction, and there is frame side placement portion and at least one placement portion, central siphon side, wherein, when observing transverse to longitudinal direction, the line of centers of placement portion, described central siphon side is displaced a certain side-play amount from the line of centers of placement portion, described central siphon side.Certainly, be also applicable to Axle of the present invention according to all advantages of longitudinal control arm of the present invention and feature, and vice versa.
Further advantage and feature will become obvious with reference to accompanying drawing to the explanation of the preferred embodiment of longitudinal control arm of the present invention and Axle of the present invention according to following.Each feature of each embodiment can combine within the scope of the invention mutually.
Accompanying drawing explanation
Fig. 1 shows the schematic diagram of the preferred embodiment of longitudinal control arm in the mode of plan view from above;
Fig. 2 shows to comprise has same widths and the schematic diagram with the preferred embodiment of the longitudinal control arm of the placement portion of skew;
Fig. 3 shows the schematic diagram of the preferred embodiment of longitudinal control arm in the mode of lateral plan;
Fig. 4 shows the schematic diagram of the preferred embodiment of the longitudinal control arm comprising sheath in the mode of lateral plan;
Fig. 5 shows the schematic diagram of the preferred embodiment of the longitudinal control arm comprising support portion and lower support portion;
Fig. 6 shows the section drawing of the preferred embodiment of placement portion, central siphon side;
Fig. 7 shows the schematic diagram of the preferred embodiment of the longitudinal control arm comprising two projections in the mode of plan view from above.
Detailed description of the invention
Fig. 1 shows the schematic diagram of longitudinal control arm 20 in the mode of plan view from above (seeing on road surface).Longitudinal control arm 20 along the longitudinal axis L has frame side placement portion 22 and placement portion, central siphon side 24.The line of centers M22 of described frame side placement portion is displaced a side-play amount x from the line of centers M24 of placement portion, described central siphon side.In placement portion, central siphon side 24, be furnished with central siphon 10.The width b22 of frame side placement portion 22 is much narrower than the width b24 of placement portion, central siphon side 24.This difference result in side-play amount x eventually.Longitudinal control arm 20 is connected to load-bearing surface 26 by means of keysets 60.
Fig. 2 shows the schematic diagram of the preferred embodiment of longitudinal control arm 20 in the mode of plan view from above.The width b22 of frame side placement portion 22 roughly corresponds to the width b24 of placement portion, central siphon side 24.The line of centers M22 of frame side placement portion 22 is displaced a side-play amount x from the line of centers M24 of placement portion, central siphon side 24.In this case, this side-play amount x is implemented by the S shape of longitudinal control arm 20.
Fig. 3 shows another preferred embodiment of longitudinal control arm 20 in the mode of lateral plan.Longitudinal control arm 20 comprises support portion 42 and lower support portion 44, and upper support portion 42 has sweep 30.Sweep 30 has maximum extension scope a, and wherein said extending range is perpendicular to distance between the fulcrum of frame side placement portion 22 or the fulcrum of center D22 and placement portion, central siphon side 24 or center D24 and is recorded.In the embodiment shown in fig. 3, the orientation of the distance between fulcrum or center D22 and D24 is substantially parallel to longitudinal direction L and plane E.Upper support portion 42 and lower support portion 44 are connected by being positioned at the shared mating surfaces 46 of burbling area T.Burbling area T or mating surfaces 46 are substantially parallel to horizontal surface E.Upper support portion 42 and both lower support portions 44 accommodate central siphon (not shown) here with the wrapping angle being less than 180 ° together with their respective placement portions, central siphon side 24.Except mating surfaces 46, upper support portion 42 and lower support portion 44 are also connected by keysets 60.In addition, load-bearing surface 26 is arranged on keysets 60, to be used for arranging the spring/damping elements such as such as air bellow (airbellow).Whole longitudinal control arm 20 is L extension in a longitudinal direction substantially, and its orientation is substantially parallel to horizontal surface E.
Fig. 4 shows another preferred embodiment of longitudinal control arm 20 in the mode of lateral plan.Longitudinal control arm 20 can be connected to central siphon (not shown) here by sheath 12.Sheath 12 is connected by the placement portion, central siphon side 24 of longitudinal control arm 20, wherein, achieves the wrapping angle being greater than 180 °.Longitudinal control arm 20 is designed to complete single-piece in this illustrated embodiment, and which forms load-bearing surface 26 in its rear end, and which forms sweep 30 between placement portion, central siphon side 24 and frame side placement portion 22.Sweep 30 is substantially to extend away from the mode of horizontal surface E.
Fig. 5 shows another preferred embodiment of longitudinal control arm 20 in the mode of lateral plan.Longitudinal control arm 20 has upper support portion 42 and lower support portion 44, and both forms burbling area T together with their respective placement portions, central siphon side 24.Lower support portion 44 also has load-bearing surface 26.An angle [alpha] is formed between burbling area T and horizontal surface E.Upper support portion 42 also has frame side placement portion 22.Between the frame side placement portion 22 and placement portion, central siphon side 24 of upper support portion 42, be formed with sweep 30, also so to say that sweep 30 creates the clearance envelope be between frame side placement portion 22 and placement portion, central siphon side 24.Upper support portion 42 and lower support portion 44 are not directly be connected to each other in this embodiment shown in Fig. 5.
Fig. 6 is to show the preferred embodiment of placement portion, central siphon side 24 transverse to longitudinal direction L and along the mode of the section drawing of central siphon 10.This longitudinal control arm comprises support portion 42 and lower support portion 44.Lower support portion 44 is directly soldered to central siphon 10 by welded joint S.Upper support portion 42 has a projection 28 at its either side, and described projection extends to central siphon 10 in concave shape substantially from upper support portion 42.Described projection has the height h28 transverse to central siphon 10 and longitudinal axes L.In the embodiment shown in fig. 6, two projections 28 are also connected to central siphon 10 by welded joint S.Certainly, projection 28 also can present on the contrary or have convex surface or flat shape on cross-sectional plane.Here, obviously know, described two projections 28 do not have and central siphon 10 or the surface contact with upper support portion 42 yet, but have and central siphon 10 or the linear contact lay with upper support portion 42.Described welding is implemented expediently along described linear contact lay.Fig. 6 further illustrates: owing to also there is this fact of two (contact) places of projection 28 except two (contact) places that there is upper support portion 42, so power can be delivered to central siphon 10 from top at described four places place now.Certainly, power can be passed by means of only projection 28.Also it is clear that described two projections have different width along central siphon 10.
Fig. 7 shows another preferred embodiment of longitudinal control arm 20 in the mode of plan view from above.Longitudinal control arm 20 has frame side placement portion 22 and placement portion, central siphon side 24.On the either side of placement portion, central siphon side 24, be all furnished with a projection 28, wherein the width b28 of each projection 28 is designed to different in width.Therefore, the line of centers M24 of placement portion, central siphon side 24 is oriented as and is displaced a side-play amount x from the line of centers M22 of frame side placement portion 22.Certainly, the projection 28 of different in width also can and following longitudinal control arm 20 combine: these longitudinal control arms 20 they itself between frame side placement portion 22 and placement portion, central siphon side 24, be provided with side-play amount x.In the present case, side-play amount x is implemented by the projection 28 of different in width.In fact, due to the shape remained unchanged in the longitudinal directionl of longitudinal control arm, described two placement portions will have roughly the same width.By using the projection 28 of different in width, the width b24 of placement portion, central siphon side 24 can be designed to wider than the width b22 of frame side placement portion 22 now.
Reference numerals list
10 central siphons
12 sheaths (wrap)
20 longitudinal control arms
22 frame side placement portions
24 placement portion, central siphon sides
26 load-bearing surfaces
28 projections
30 sweeps
Support portion on 42
44 lower support portions
46 mating surfacess
60 keysetss (adapterplate)
D22, D24 fulcrum
E horizontal surface
S welded joint
T burbling area (partingplane)
L longitudinal direction
M22, M24 line of centers
A extending range (extension)
The width of b22 frame side placement portion
The width of placement portion, b24 central siphon side
The width of b28 projection
The height of h28 projection
X side-play amount (offset)
wrapping angle (angleofenlacement)
The interplanar angle of α
Claims (10)
1. a longitudinal control arm (20), it is for being connected to vehicle frame by central siphon (10), described longitudinal control arm in a longitudinal direction (L) extends and comprises frame side placement portion (22) and at least one placement portion, central siphon side (24)
Wherein, when with described longitudinal direction (L) at an angle or when observing transverse to described longitudinal direction (L), the line of centers (M24) of placement portion, described central siphon side (24) offsets or be displaced a side-play amount (x) from the line of centers (M22) of described frame side placement portion (22).
2. longitudinal control arm according to claim 1 (20),
Wherein, described longitudinal control arm (20) is formed hollow profile at least in part,
And wherein, described hollow profile preferably has the cross-sectional plane increased at least in part on the direction of described frame side placement portion (22).
3. longitudinal control arm according to claim 1 and 2 (20),
Wherein, described longitudinal control arm (20) has the sweep (30) transverse to horizontal surface (E),
And wherein, described sweep preferably extends between placement portion, described central siphon side (24) and described frame side placement portion (22).
4. according to longitudinal control arm in any one of the preceding claims wherein (20),
Wherein, described longitudinal control arm (20) has upper support portion (42) and lower support portion (44),
And wherein, described upper support portion (42) and described lower support portion (44) form burbling area (T), between described burbling area and described horizontal surface (E) at angle (α).
5. according to longitudinal control arm in any one of the preceding claims wherein (20),
Wherein, described upper support portion (42) and/or described lower support portion (44) have placement portion, described central siphon side (24),
And wherein, placement portion, described central siphon side (24) has the wrapping angle being less than 180 °
6. the longitudinal control arm (20) according to claim 4 or 5,
Wherein, described upper support portion (42) and/or described lower support portion (44) are connected to keysets (60) in a form-fitting and/or force-fitting manner,
And wherein, described keysets (60) is connected to load-bearing surface (26) in a form-fitting and/or force-fitting manner, and described load-bearing surface is suitable for the layout of spring/damping element.
7. according to longitudinal control arm in any one of the preceding claims wherein (20),
Wherein, described longitudinal control arm (20) have on placement portion, described central siphon side (24) for be connected with described central siphon (10) and/or sheath (12) and substantially along at least one projection (28) that described central siphon (10) extends.
8. longitudinal control arm according to claim 7 (20),
Wherein, described longitudinal control arm (20) and described central siphon (10) and/or described sheath (12) couple together in the mode of arc by described at least one projection (28).
9. the longitudinal control arm (20) according to claim 7 or 8,
Wherein, be all mounted with described projection (28) at the either side of placement portion, described central siphon side (24),
And wherein, these two projections (28) preferably have different width (b).
10. an Axle, especially for the Axle of all-service vehicle, it has the longitudinal control arm (20) for central siphon (10) being connected to vehicle frame,
Wherein, described longitudinal control arm in a longitudinal direction (L) extends and has a frame side placement portion (22) and at least one placement portion, central siphon side (24),
And wherein, when with described longitudinal direction (L) at an angle or be transverse to described longitudinal direction (L) observe time, the line of centers of placement portion, described central siphon side (24) offsets or is displaced a side-play amount (x) from the line of centers (M) of placement portion, described central siphon side (24).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013211468.0A DE102013211468B4 (en) | 2013-06-19 | 2013-06-19 | Trailing arm |
| DE102013211468.0 | 2013-06-19 | ||
| PCT/EP2014/062642 WO2014202563A1 (en) | 2013-06-19 | 2014-06-17 | Longitudinal control arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105307878A true CN105307878A (en) | 2016-02-03 |
| CN105307878B CN105307878B (en) | 2018-01-02 |
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ID=50972716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480035027.2A Active CN105307878B (en) | 2013-06-19 | 2014-06-17 | Longitudinal control arm |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9662949B2 (en) |
| EP (1) | EP2986459B1 (en) |
| CN (1) | CN105307878B (en) |
| AU (1) | AU2014283417B2 (en) |
| DE (1) | DE102013211468B4 (en) |
| RU (1) | RU2647113C2 (en) |
| WO (1) | WO2014202563A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013210142A1 (en) * | 2013-05-31 | 2014-12-04 | Saf-Holland Gmbh | handlebar unit |
| DE102015214456A1 (en) * | 2015-07-30 | 2017-02-02 | Deere & Company | Cabin storage arrangement for a commercial vehicle |
| MX2018011257A (en) * | 2016-03-17 | 2019-07-04 | Saf Holland Inc | Powered vehicle suspension assembly. |
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- 2014-06-17 WO PCT/EP2014/062642 patent/WO2014202563A1/en active Application Filing
- 2014-06-17 RU RU2015153269A patent/RU2647113C2/en not_active IP Right Cessation
- 2014-06-17 CN CN201480035027.2A patent/CN105307878B/en active Active
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- 2014-06-17 US US14/896,212 patent/US9662949B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| US9662949B2 (en) | 2017-05-30 |
| DE102013211468A1 (en) | 2014-12-24 |
| CN105307878B (en) | 2018-01-02 |
| DE102013211468B4 (en) | 2017-05-04 |
| RU2015153269A (en) | 2017-07-20 |
| AU2014283417B2 (en) | 2016-06-16 |
| US20160152104A1 (en) | 2016-06-02 |
| EP2986459A1 (en) | 2016-02-24 |
| AU2014283417A1 (en) | 2015-12-10 |
| RU2647113C2 (en) | 2018-03-13 |
| EP2986459B1 (en) | 2018-06-20 |
| WO2014202563A1 (en) | 2014-12-24 |
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